From: Dmitry Osipenko digetx@gmail.com
[ Upstream commit 141267bffd1dc19a76e4d50e3e4829f85a806875 ]
Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot.
Fixes: 6b9acd935546 ("memory: tegra: Refashion EMC debugfs interface on Tegra124") Signed-off-by: Dmitry Osipenko digetx@gmail.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/memory/tegra/tegra124-emc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index 21f05240682b8..33b8216bac30c 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -1158,6 +1158,11 @@ static void emc_debugfs_init(struct device *dev, struct tegra_emc *emc) emc->debugfs.max_rate = emc->timings[i].rate; }
+ if (!emc->num_timings) { + emc->debugfs.min_rate = clk_get_rate(emc->clk); + emc->debugfs.max_rate = emc->debugfs.min_rate; + } + err = clk_set_rate_range(emc->clk, emc->debugfs.min_rate, emc->debugfs.max_rate); if (err < 0) {